28388960

素因数分解:

$2^5\times 5^1\times {\mathrm{177431}}^1$

素因数の和:177446

約数の個数: 24

約数和(自身を含む): 67069296

約数和(自身を除く): 38680336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 177431, 354862, 709724, 887155, 1419448, 1774310, 2838896, 3548620, 5677792, 7097240, 14194480, 28388960]

約数ペア:

[(1, 28388960), (2, 14194480), (4, 7097240), (5, 5677792), (8, 3548620), (10, 2838896), (16, 1774310), (20, 1419448), (32, 887155), (40, 709724), (80, 354862), (160, 177431)]